Also track the predicate behind a label
No need to see the full stacktrace at all times
Reuse the findInfo() infrastructure, rather than replicating it
Friendlier code: sleep between retrievals; check that we do not already have the info
Unified the extraction of properties too: the View and the HTML is now again using the same code base
Simplified the code: fully separated saving as HTML and spidering and extracting data
Updated the predicate label to show in the view